ARM: dts: rmobile: Extract USB nodes on M3N

The USB nodes are not in Linux 4.17 DTs in M3N, pull them into U-Boot
specific DT extras until they hit mainline Linux, to make syncing of
DTs easier.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
---
V2: Rebase on u-boot/master
diff --git a/arch/arm/dts/r8a77965-u-boot.dtsi b/arch/arm/dts/r8a77965-u-boot.dtsi
index ca80ef8..15d9467 100644
--- a/arch/arm/dts/r8a77965-u-boot.dtsi
+++ b/arch/arm/dts/r8a77965-u-boot.dtsi
@@ -19,4 +19,59 @@
 		bank-width = <2>;
 		status = "disabled";
 	};
+
+	ehci0: usb@ee080100 {
+		compatible = "generic-ehci";
+		reg = <0 0xee080100 0 0x100>;
+		interrupts = <GIC_SPI 108 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&cpg CPG_MOD 703>;
+		phys = <&usb2_phy0>;
+		phy-names = "usb";
+		companion= <&ohci0>;
+		power-domains = <&sysc 32>;
+		resets = <&cpg 703>;
+	};
+
+	usb2_phy0: usb-phy@ee080200 {
+		compatible = "renesas,usb2-phy-r8a77965",
+			     "renesas,rcar-gen3-usb2-phy";
+		reg = <0 0xee080200 0 0x700>;
+		interrupts = <GIC_SPI 108 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&cpg CPG_MOD 703>;
+		power-domains = <&sysc 32>;
+		resets = <&cpg 703>;
+		#phy-cells = <0>;
+	};
+
+	ehci1: usb@ee0a0100 {
+		compatible = "generic-ehci";
+		reg = <0 0xee0a0100 0 0x100>;
+		interrupts = <GIC_SPI 112 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&cpg CPG_MOD 702>;
+		phys = <&usb2_phy1>;
+		phy-names = "usb";
+		companion= <&ohci1>;
+		power-domains = <&sysc 32>;
+		resets = <&cpg 702>;
+	};
+
+	usb2_phy1: usb-phy@ee0a0200 {
+		compatible = "renesas,usb2-phy-r8a77965",
+			     "renesas,rcar-gen3-usb2-phy";
+		reg = <0 0xee0a0200 0 0x700>;
+		clocks = <&cpg CPG_MOD 702>;
+		power-domains = <&sysc 32>;
+		resets = <&cpg 702>;
+		#phy-cells = <0>;
+	};
+
+	xhci0: usb@ee000000 {
+		compatible = "renesas,xhci-r8a77965",
+			     "renesas,rcar-gen3-xhci";
+		reg = <0 0xee000000 0 0xc00>;
+		interrupts = <GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&cpg CPG_MOD 328>;
+		power-domains = <&sysc 32>;
+		resets = <&cpg 328>;
+	};
 };